/*

  * Copyright 2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl1.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.krms.impl.repository;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.krad.service.BusinessObjectService;

 import org.kuali.rice.krms.api.repository.term.TermDefinition;

 import org.kuali.rice.krms.api.repository.term.TermResolverDefinition;

 import org.kuali.rice.krms.api.repository.term.TermSpecificationDefinition;

 import org.springframework.util.CollectionUtils;

 /**

  * Implementation of {@link TermBoService}

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class TermBoServiceImpl implements TermBoService {

         private BusinessObjectService businessObjectService;

         /**

          * @param businessObjectService the businessObjectService to set

          */

         public void setBusinessObjectService(BusinessObjectService businessObjectService) {

                 this.businessObjectService = businessObjectService;

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#getTermSpecificationById(java.lang.String)

          */

         @Override

         public TermSpecificationDefinition getTermSpecificationById(String id) {

                 TermSpecificationBo termSpecificationBo = 

                         businessObjectService.findBySinglePrimaryKey(TermSpecificationBo.class, id);

                 return TermSpecificationDefinition.Builder.create(termSpecificationBo).build();

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#createTermSpecification(org.kuali.rice.krms.api.repository.term.TermSpecificationDefinition)

          */

         @Override

         public TermSpecificationDefinition createTermSpecification(TermSpecificationDefinition termSpec) {

                 if (!StringUtils.isBlank(termSpec.getId())) {

                         throw new IllegalArgumentException("for creation, TermSpecification.id must be null");

                 }

                 TermSpecificationBo termSpecBo = TermSpecificationBo.from(termSpec);

                 businessObjectService.save(termSpecBo);

                 return TermSpecificationBo.to(termSpecBo);

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#createTermDefinition(org.kuali.rice.krms.api.repository.term.TermDefinition)

          */

         @Override

         public TermDefinition createTermDefinition(TermDefinition termDef) {

                 if (!StringUtils.isBlank(termDef.getId())) {

                         throw new IllegalArgumentException("for creation, TermDefinition.id must be null");

                 }

                 TermBo termBo = TermBo.from(termDef);

                 businessObjectService.save(termBo);

                 return TermBo.to(termBo);

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#createTermResolver(org.kuali.rice.krms.api.repository.term.TermResolverDefinition)

          */

         @Override

         public TermResolverDefinition createTermResolver(TermResolverDefinition termResolver) {

                 if (!StringUtils.isBlank(termResolver.getId())) {

                         throw new IllegalArgumentException("for creation, TermResolverDefinition.id must be null");

                 }

                 TermResolverBo termResolverBo = TermResolverBo.from(termResolver);

                 termResolverBo = (TermResolverBo)businessObjectService.save(termResolverBo);

                 return TermResolverBo.to(termResolverBo);

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#getTermById(java.lang.String)

          */

         @Override

         public TermDefinition getTermById(String id) {

                 TermDefinition result = null;

                 if (StringUtils.isBlank(id)) {

                         throw new IllegalArgumentException("id must not be blank or null");

                 }

                 TermBo termBo = businessObjectService.findBySinglePrimaryKey(TermBo.class, id);

                 if (termBo != null) {

                         result= TermBo.to(termBo);

                 }

                 return result;

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#getTermResolverById(java.lang.String)

          */

         @Override

         public TermResolverDefinition getTermResolverById(String id) {

                 TermResolverDefinition result = null;

                 if (StringUtils.isBlank(id)) {

                         throw new IllegalArgumentException("id must not be blank or null");

                 }

                 TermResolverBo termResolverBo = businessObjectService.findBySinglePrimaryKey(TermResolverBo.class, id);

                 if (termResolverBo != null) {

                         result = TermResolverBo.to(termResolverBo);

                 }

                 return result;

         }

         /**

          * @see org.kuali.rice.krms.impl.repository.TermBoService#getTermResolversByContextId(java.lang.String)

          */

         @SuppressWarnings("unchecked")

         @Override

         public List<TermResolverDefinition> getTermResolversByContextId(String id) {

                 List<TermResolverDefinition> results = null;

                 if (StringUtils.isBlank(id)) {

                         throw new IllegalArgumentException("id must not be blank or null");

                 }

                 Map fieldValues = new HashMap();

                 fieldValues.put("contextId", id);

                 Collection<TermResolverBo> termResolverBos = businessObjectService.findMatching(TermResolverBo.class, fieldValues);

                 if (!CollectionUtils.isEmpty(termResolverBos)) {

                         results = new ArrayList<TermResolverDefinition>(termResolverBos.size());

                         for (TermResolverBo termResolverBo : termResolverBos) if (termResolverBo != null) {

                                 results.add(TermResolverBo.to(termResolverBo));

                         }

                 } else {

                         results = Collections.emptyList();

                 }

                 return results;

         }

 }